Answer:
This question is incomplete but the completed question is below
Which of the following are considered physical properties of a substance? -(a) color and odor (b) melting and boiling points (c) malleability and hardness (d) all of the above.
The correct answer is (d)
Explanation:
Physical properties of a substance are properties that can be observed physically without the substance undergoing any change in chemical composition. These properties have to with touch/texture, colour, smell, substance strength (like malleability and hardness), melting and boiling points. From the above explanation, it can be deduced that the correct answer to the question is "all of the above" because all the options provided are physical properties.
